DTC Detection Logic
WARNING: This page is about a different car, the 2020 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
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DTC
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CONSULT display description
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DTC detecting condition
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Possible cause
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B2428
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AUTO BACK DR CNT UNIT
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Automatic back door control module detected CPU malfunction
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Automatic back door control module
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